la6503 Sanyo Semiconductor Corporation, la6503 Datasheet - Page 5

• Manufacturer Part Number: la6503
• Description: Cd-rom Drive Spindle Motor Driver Sled Motor Driver Sled Motion/position Detector Ic
• Manufacturer: Sanyo Semiconductor Corporation

Pin Functions
Pin No.
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
1
2
3
4
5
6
7
8
9
START/STOP
VHB (3Vreg)
SLED OUT
SLED OUT
V
V
SLED-IN
Symbol
P-GND
P-GND
S-GND
P-GND
P-GND
WOUT
M
CC
MUTE
VOUT
UOUT
POUT
ROUT
QOUT
V
Mounted on the specified
printed circuit board
W
W
U
U
V
V
Independent IC
HB
HB
HA
HA
FC
VC
RF
FG
(12 V)
REF
IN
IN +
IN –
IN +
IN –
IN
(5 V)
–
+
–
+
–
+
+
–
Sled motor noninverted output
Sled motor inverted output
Power system ground
Power system ground
Sled motor signal input (The gain is set with a resistor.)
Signal system power supply (5 V)
Reference voltage input
Three-phase spindle motor hall signal input pin (U phase –)
Three-phase spindle motor hall signal input pin (U phase +)
Three-phase spindle motor hall signal input pin (V phase –)
Three-phase spindle motor hall signal input pin (V phase +)
Three-phase spindle motor hall signal input pin (W phase –)
Three-phase spindle motor hall signal input pin (W phase +)
Hall bias output pin (3-V power supply output)
Sled motion distance detection hall element input (HB –)
Sled motion distance detection hall element input (HB +)
Sled motion distance detection hall element input (HA –)
Sled motion distance detection hall element input (HA +)
Signal system ground
Power system ground
Power system ground
Sled motor output muting (output on/off control)
Spindle motor output start/stop (output on/off control)
Phase compensation capacitor connection
Input for the spindle control signal from the ASP
Three-phase spindle motor output (W phase output)
Three-phase spindle motor output (V phase output)
Three-phase spindle motor output (U phase output)
Output current detection
FG signal output
Motor power supply (12 V)
Sled motion position detection pulse output P (96 pulses)
Sled motion position detection pulse output R (48 pulses)
Sled motion position detection pulse output Q (48 pulses)
Ambient temperature, Ta – ˚C
LA6503
Function
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